I started to use a walker 2 years ago and bought a tray on-line. It didn't sit evenly and it had 2 holes fir cups that were not only the wrong size for any cup but if you were to try to put a cup in it, the cup would be blocked by the bar of the walker. This made it totally useless and lost surface space. I went on line with the intention of telling that company how to make improvements when I came across your ad. How fabulous! It works for holding cups and it comes with a bag that is easy to attach. I have been handing out your name to everyone I meet with a walker. I am still very active and I can fit 2 bags of groceries on it while I shop and then take the tray off, put it into the trunk, fold up the walker and drive home. I use it in the house as the bag is small and light. Just enough for phone & Kindle. If I plan to do a lot of walking outside (beach, park) I found a pair of all terrain wheels which vastly improve any walk. I don't get thrown forward by hitting stones or sidewalks that are a little uneven. However, I do have to be very vigilant but it is certainly easier and more comfortable than regular wheels. While they can't handle ice, I can get through about half an inch of snow. (I live in Buffalo, NY.) So, if I am doing any substantial shopping, I add a large bag with a 3" gusset to the front of the walker which can hold All of the items I always had in my purse. If it is raining or snowing, I have a different bag for the front that zips closed so my things do not get wet. This is my second order and I had it sent to my daughter's house in Chicago because I flew there and was afraid of it cracking if I packed it so now I keep it there. I will say, save yourself the expense of the rubber mat. I find it useless and unnecessary. I have the grey one and the blue but the blue one seems to show all the little scratches. Not really a problem. Also, I really have not felt that being translucent has ever helped me. I would prefer to have it more solid so I wouldn't notice the scratches so much. I would like to get one more for my ATV walker so when I get the money, you will probably hear from me again. Just this morning, I gave 2 people the same of your company. It would help if I could just hand them your business card. What do you think? Thanks for adding great quality to my life!